The hypodermic needle shown below contains a liquid serum (p = 1 g/cm³). If the serum is to be injected steadily at 6 cm³/s, how fast should the plunger be advanced (a) if leakage in the plunger clearance is neglected and (b) if leakage is 10% of the needle flow?

Transcribed Image Text:

0.8 mm 2 cm